Bench-type watch repair tool is more accurate with contact spring of contact rod. Equipped with compression spring: high-strength spring, and not easy to deform. 4-hole positioning: professional capping machine can be fixed wherever it wants. Made of high quality materials, . A certain number of touch tools are included in the suit, which can meet your daily use needs. describe Name: watch capping device desktop watch repair tool set Material: plastic Color: Black Quantity: 1 set Note: the gland should be slightly larger than the mirror, otherwise the mirror be crushed. If the back cover is transparent, the inner diameter of the upper gland should be slightly smaller than the diameter of the back cover, but larger than the glass of the back cover (there is a on the back cover aimed at the handle, otherwise the handle may be broken). Package Contents: 1 x Desktop Watch Repair Tool Set (see the figure for specific accessories) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.